This BCG is designed to operate with either 6.5 Grendel or Hornady’s new 6mm ARC. Will not work with CMMG MkW platform. It is designed for standard AR variants.
CMMG AR15 Bolt Carrier Group, 6.5 Grendel or 6MM ARC, Black 64BA44F
CMMG Bolt Carrier Group AR15 6.5 Grendel/6mm ARC
$137.69
35 in stock
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